313220443132 has 6 divisors (see below), whose sum is σ = 548135775488. Its totient is φ = 156610221564.

The previous prime is 313220443037. The next prime is 313220443141. The reversal of 313220443132 is 231344022313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 313220443132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39152555388 + ... + 39152555395.

Almost surely, 2^313220443132 is an apocalyptic number.

It is an amenable number.

313220443132 is a deficient number, since it is larger than the sum of its proper divisors (234915332356).

313220443132 is a wasteful number, since it uses less digits than its factorization.

313220443132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78305110787 (or 78305110785 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 313220443132 its reverse (231344022313), we get a palindrome (544564465445).

The spelling of 313220443132 in words is "three hundred thirteen billion, two hundred twenty million, four hundred forty-three thousand, one hundred thirty-two".